The Theory of Aging That Suggests That Human Cells Are

question 3

Multiple Choice

The theory of aging that suggests that human cells are limited in the number of times they can reproduce to repair damage is the __________.

• A)activity theory
• B)wear-and-tear theory
• C)disengagement theory
• D)cellular clock theory

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Definitions:

Outward-Facing

Directed towards the exterior or outside of something.

Water Loss

The process through which water leaves the body or a system, which can occur through evaporation, excretion, or transpiration in plants.

Wax

Water-repellent substance that is a complex, varying mixture of lipids with long fatty acid tails bonded to long-chain alcohols.

Vascular Tissue

Specialized tissue in plants that conducts water and nutrients through the plant body.